A Velocity Vector Measuring System with 13 Asymmetric-Wedge Type Yewmeters

Material type: 文書・図像類

Author: 中谷, 輝臣ほか

Publisher: 航空宇宙技術研究所

Publication date: 1981-06

Material Format: Digital

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Note (General)：: In the NAL 6m low speed wind tunnel flow field measurements have been carried out by traversing only one yawmeter probe. But it consumes too much time...

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Material Type: 文書・図像類
Title: A Velocity Vector Measuring System with 13 Asymmetric-Wedge Type Yewmeters
Author/Editor: 中谷, 輝臣
星野, 秀雄
野口, 正芳
NAKAYA, Teruomi
HOSHINO, Hideo
NOGUCHI, Masayoshi
Author Heading: 中谷, 輝臣
星野, 秀雄
野口, 正芳
NAKAYA, Teruomi
HOSHINO, Hideo
NOGUCHI, Masayoshi
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1981-06
Publication Date (W3CDTF): 1981-06
Alternative Title: 回転式速度ベクトル測定装置
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-674
No. or year of volume/issue: 674
Volume: 674
Pages: 19-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: eng
Target Audience: 一般
Note (General): In the NAL 6m low speed wind tunnel flow field measurements have been carried out by traversing only one yawmeter probe. But it consumes too much time to measure the flow field around a full-scale aircraft model with one probe, so a velocity vector measuring system with 13 asymmetric-wedge type yawmeters was developed in order to survey the flow field around the empennage of the NAL STOL research aircract model. The rotational angle of the 13 probes and the setting angle of this system are automatically controlled following the sequence previously programmed into a mini-computer system. As the principle of measurement used in this system is almost the same as that reported in NAL TR-594, this paper mainly describes the hardware of this system, the control modes, the data reduction, and the data processing. The accuracy of the flow angle measurement turned out to be satisfactory, but measurements of dynamic pressure and static pressure were less accurate. This paper concludes with an example of measurements taken of the flow field around the empennage of the NAL STOL research aircraft model.
資料番号: NALTR0674000
レポート番号: NAL TR-674
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ